Abstract
In December 2019, Spain considered for the first time the presence of radon to the Technical Building Code (Basic Document HS 6: Radon Exposure Protection), although it only mentions minimum presences and the need for ventilation. This research shows that in buried structures or in places with little ventilation, even in soils with a low probability of granite, a high content of radon gas can be found. The city of Alicante has been used as a measurement location for different architectural sites; here, the level of 100 Bq/m3 is the first threshold where the gas must be monitored, and the level of 300 Bq/m3 is the maximum threshold above which corrective ventilation measures must be taken. The research conducted during the years 2015 and 2016 shows that it is necessary to account for also the areas considered to be “low presence of radon gas” to achieve healthy constructions. The renewal of air in the different places will be tested for the presence of radon, i.e., the greater the accumulation is, the less ventilation and the greater the risk of accumulation of radon gas. This study is located in the city of Alicante, where the seven civil constructions are located: two Civil War shelters, the Santa Barbara Castle, the Ereta Powder Keg, the Luceros-Marq and Serra Grossa railway tunnels and the Británica underground deposits. Radon gas is currently a concern for major health and medical agencies because it is considered to be a chemical element that is very harmful to people. The World Health Organization is one of the organisations that has the objective of studying and researching this element, to develop solutions. Radon gas is normally found in a gaseous state and is highly radioactive. It is present in many terrains and it is mostly found in those with granite; although the presence of this element is very low, there is always a minimum presence. In the past, in nongranite soils, the dose of radon was considered to be so low that it was insignificant. Therefore, in this research, the aim is to consider the high presence of radon gas in nongranite soils as long as the conditions for its accumulation are present.
Highlights
This research is based on the premise that we must attempt to demonstrate the need for ventilation in buried structures, even in places that have little presence of radon gas
The data collection phase in the study was conducted at the Plaza Seneca shelter, and measurements were taken between 18 and 28 January 2016. This process covered the entire extension of the shelter, separating the chambers in the previously indicated cubicles, to measure the amount of radon gas generated in the different areas within the same room
The Luceros-Marq tunnel, which passes through the slopes of Mount Benacantil, has a high level of air renewal in its interior, which is produced by both the movement of trains and by the extraction systems, and the accumulation of radon gas in its interior is low
Summary
This research is based on the premise that we must attempt to demonstrate the need for ventilation in buried structures, even in places that have little presence of radon gas. To accomplish this goal, the city of Alicante is used as a measurement site for buried buildings (which have a higher risk of radon due to contact with the ground). 0, which according to information provided by Marna, means low exposure [1] This category is most likely the reason why there is hardly any data on measuring the radon content in buildings in Alicante. Radon measurements have been made in the historic quarter of the city (Civil War shelters), Mount Benacantil
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